Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 228: | \[{13^{228}-1\over12}\] | 22 × 3 × 5 × 7 × 17 × 61 × 157 × 229 × 28393 × 94621 × 845083 × 12865927 × 796956375829<12> × 9468940004449<13> × 452660103574249<15> × 2657518772948983<16> × 6061387217546931661<19> × 104422877883960436477<21> × 30746232270870161677690909<26> × 14654187650846568795703728901<29> × 580196961910046805312944783240761<33> × 11558976231637261426277121948925198794301<41> |